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Dalmau, josep

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https://www.readbyqxmd.com/read/28333860/cardiovascular-parameters-to-2-years-after-kidney-transplantation-following-early-switch-to-everolimus-without-calcineurin-inhibitor-therapy-an-analysis-of-the-randomized-elevate-study
#1
Hallvard Holdaas, Johan W de Fijter, Josep M Cruzado, Pablo Massari, Björn Nashan, John Kanellis, Oliver Witzke, Alex Gutierrez-Dalmau, Aydin Turkmen, Zailong Wang, Patricia Lopez, Peter Bernhardt, Jossy Kochuparampil, Markus van der Giet, Klaus Murbraech
BACKGROUND: Mammalian target of rapamycin (mTOR) inhibitors may confer cardioprotective advantages but clinical data are limited. METHODS: In the open-label ELEVATE trial, kidney transplant patients were randomized at 10-14 weeks posttransplant to convert from calcineurin inhibitor (CNI) to everolimus or remain on standard CNI therapy. Prespecified endpoints included left ventricular mass index (LVMi) and, in a subpopulation of patients, arterial stiffness as measured by pulse wave velocity (PWV)...
March 22, 2017: Transplantation
https://www.readbyqxmd.com/read/28298428/autoantibodies-to-synaptic-receptors-and-neuronal-cell-surface-proteins-in-autoimmune-diseases-of-the-central-nervous-system
#2
REVIEW
Josep Dalmau, Christian Geis, Francesc Graus
Investigations in the last 10 years have revealed a new category of neurological diseases mediated by antibodies against cell surface and synaptic proteins. There are currently 16 such diseases all characterized by autoantibodies against neuronal proteins involved in synaptic signaling and plasticity. In clinical practice these findings have changed the diagnostic and treatment approach to potentially lethal, but now treatable, neurological and psychiatric syndromes previously considered idiopathic or not even suspected to be immune-mediated...
April 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28258082/dppx-antibody-associated-encephalitis-main-syndrome-and-antibody-effects
#3
Makoto Hara, Helena Ariño, Mar Petit-Pedrol, Lidia Sabater, Maarten J Titulaer, Eugenia Martinez-Hernandez, Marco W J Schreurs, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the main syndrome of dipeptidyl-peptidase-like protein 6 (DPPX) antibody-associated encephalitis, immunoglobulin G (IgG) subclass, and the antibody effects on DPPX/Kv4.2 potassium channels. METHODS: A retrospective analysis of new patients and cases reported since 2013 was performed. IgG subclass and effects of antibodies on cultured neurons were determined with described techniques. RESULTS: Nine new patients were identified (median age 57 years, range 36-69 years)...
March 3, 2017: Neurology
https://www.readbyqxmd.com/read/28251919/netrin-1-receptor-antibodies-in-thymoma-associated-neuromyotonia-with-myasthenia-gravis
#4
Estefanía Torres-Vega, Nuria Mancheño, Arantxa Cebrián-Silla, Vicente Herranz-Pérez, María J Chumillas, Germán Moris, Bastien Joubert, Jérôme Honnorat, Teresa Sevilla, Juan J Vílchez, Josep Dalmau, Francesc Graus, José Manuel García-Verdugo, Luis Bataller
OBJECTIVE: To identify cell-surface antibodies in patients with neuromyotonia and to describe the main clinical implications. METHODS: Sera of 3 patients with thymoma-associated neuromyotonia and myasthenia gravis were used to immunoprecipitate and characterize neuronal cell-surface antigens using reported techniques. The clinical significance of antibodies against precipitated proteins was assessed with sera of 98 patients (neuromyotonia 46, myasthenia gravis 52, thymoma 42; 33 of them with overlapping syndromes) and 219 controls (other neurologic diseases, cancer, and healthy volunteers)...
March 1, 2017: Neurology
https://www.readbyqxmd.com/read/28202703/investigations-in-gabaa-receptor-antibody-associated-encephalitis
#5
Marianna Spatola, Mar Petit-Pedrol, Mateus Mistieri Simabukuro, Thaís Armangue, Fernanda J Castro, Maria I Barcelo Artigues, Maria R Julià Benique, Leslie Benson, Mark Gorman, Ana Felipe, Ruben L Caparó Oblitas, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the clinical features, comorbidities, receptor subunit targets, and outcome in patients with anti-GABAA receptor (GABAAR) encephalitis. METHODS: Clinical study of 26 patients, including 17 new (April 2013-January 2016) and 9 previously reported patients. Antibodies to α1, β3, and γ2 subunits of the GABAAR were determined using reported techniques. RESULTS: Patients' median age was 40.5 years (interquartile range 48...
March 14, 2017: Neurology
https://www.readbyqxmd.com/read/28093513/author-response-the-clinical-spectrum-of-caspr2-antibody-associated-disease
#6
Agnes van Sonderen, Helena Ariño, Josep Dalmau, Maarten J Titulaer
No abstract text is available yet for this article.
January 17, 2017: Neurology
https://www.readbyqxmd.com/read/28062718/do-we-need-to-measure-specific-antibodies-in-patients-with-limbic-encephalitis
#7
EDITORIAL
Josep Dalmau, Angela Vincent
No abstract text is available yet for this article.
February 7, 2017: Neurology
https://www.readbyqxmd.com/read/28043058/epilepsy-surgery-in-drug-resistant-temporal-lobe-epilepsy-associated-with-neuronal-antibodies
#8
Mar Carreño, Christian G Bien, Ali A Asadi-Pooya, Michael Sperling, Petr Marusic, Martin Elisak, Jose Pimentel, Tim Wehner, Rajiv Mohanraj, Juan Uranga, Asier Gómez-Ibáñez, Vicente Villanueva, Francisco Gil, Antonio Donaire, Nuria Bargalló, Jordi Rumià, Pedro Roldán, Xavier Setoain, Luis Pintor, Teresa Boget, Eva Bailles, Mercè Falip, Javier Aparicio, Josep Dalmau, Francesc Graus
We assessed the outcome of patients with drug resistant epilepsy and neuronal antibodies who underwent epilepsy surgery. Retrospective study, information collected with a questionnaire sent to epilepsy surgery centers. Thirteen patients identified, with antibodies to GAD (8), Ma2 (2), Hu (1), LGI1 (1) or CASPR2 (1). Mean age at seizure onset: 23 years. Five patients had an encephalitic phase. Three had testicular tumors and five had autoimmune diseases. All had drug resistant temporal lobe epilepsy (median: 20 seizures/month)...
January 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28025395/message-from-the-editors-to-our-reviewers
#9
Robert A Gross, Bradford B Worrall, Anthony A Amato, Gregory D Cascino, Olga Ciccarelli, John R Corboy, Josep O Dalmau, Rebecca F Gottesman, Murray Grossman, John J Millichap, Jonathan W Mink, Stefan M Pulst, Ryan J Uitti
No abstract text is available yet for this article.
January 3, 2017: Neurology
https://www.readbyqxmd.com/read/27920282/nmda-receptor-encephalitis-and-other-antibody-mediated-disorders-of-the-synapse-the-2016-cotzias-lecture
#10
Josep Dalmau
Investigations during the last 10 years have revealed a group of disorders mediated by antibodies against ion channels and synaptic receptors, which cause both neurologic and psychiatric symptoms. In this review, I discuss the process of discovery and immunologic triggers of these disorders, and use anti-NMDA receptor encephalitis to emphasize the importance of understanding the underlying physiopathologic mechanisms in those diseases. A better knowledge of these mechanisms reveals points of convergence with other disorders (e...
December 6, 2016: Neurology
https://www.readbyqxmd.com/read/27806870/cerebellar-ataxia-and-autoantibodies-restricted-to-glutamic-acid-decarboxylase-67-gad67
#11
Mar Guasp, Nuria Solà-Valls, Eugenia Martínez-Hernández, M Pilar Gil, Cristina González, Luis Brieva, Albert Saiz, Josep Dalmau, Francesc Graus, Helena Ariño
Cerebellar ataxia is one of the most frequent syndromes associated with autoantibodies against glutamic acid decarboxylase (GAD-ab). Antibodies recognize the isoform GAD65, which is the standard biomarker, but additional immunoreactivity against GAD67 is found in high proportion of patients with GAD-ab-associated neurological disorders. We describe the case of a 59-year-old woman who presented with pancerebellar syndrome of subacute onset (9weeks to nadir). In the etiological study, high titers of GAD-ab were found, but these only recognized the GAD67 isoform and not the GAD65...
November 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27796550/hodgkin-s-lymphoma-associated-with-paraneoplastic-cerebellar-degeneration-in-children-a-case-report-and-review-of-the-literature
#12
Serdal Gungor, Betul Kilic, Mujgan Arslan, Unsal Ozgen, Josep Dalmau
Paraneoplastic cerebellar degeneration (PCD) can occur severely and appear as subacute cerebellar syndrome. PCD may be associated with small cell lung cancer, adenocarcinoma, breast cancer, ovarian carcinoma, and Hodgkin's lymphoma. An 11-year-old male was admitted with acute cerebellar ataxia, dysarthria, and diplopia. Mediastinal conglomerated lymph nodes were depicted in a chest computed tomography (CT) examination, and diagnosis of stage IV Hodgkin's lymphoma was obtained after a lymph node biopsy. The antibodies against Purkinje cells (anti-Tr antibody) were positive immunohistochemically...
October 29, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27586161/cellular-investigations-with-human-antibodies-associated-with-the-anti-iglon5-syndrome
#13
Lidia Sabater, Jesús Planagumà, Josep Dalmau, Francesc Graus
BACKGROUND: Antibodies against IgLON5, a neuronal adhesion protein of unknown function, are markers of a novel neurological disorder termed anti-IgLON5 syndrome. The disorder shows a remarkable association with the HLA-DQB1*0501 and HLA-DRB1*1001 alleles, and postmortem studies demonstrate a novel neuronal tauopathy predominantly involving the hypothalamus and tegmentum of the brainstem. The role of IgLON5 antibodies in the pathogenesis of the disease is currently unknown. Here, we have determined the target epitopes of IgLON5 antibodies, the effects of the IgLON5 antibodies in rat hippocampal neurons, and the IgG subclass responsible for these effects...
2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27540565/complex-relationships
#14
Josep Dalmau
No abstract text is available yet for this article.
August 2016: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/27476614/-subacute-anti-n-methyl-d-aspartate-receptor-encephalitis-a-serie-of-13-paediatric-cases
#15
Ricardo Erazo, Jaime González, Consuelo Quintanilla, Claudia Devaud, Consuelo Gayoso, Ximena Toledo, Erna Rauch, Claudia Riffo, Carolina Alvarez, Marne Salazar, Daniela Salvo, Josep Dalmau, Orietta Carmona
INTRODUCTION: Subacute anti-NMDA receptor encephalitis was recognised in 2007 as a clinical entity, and was first described in young women with ovarian teratoma. The first paediatric series unrelated with tumours was reported in 2009. OBJECTIVE: To present the clinical features, treatment, and prognosis of 13 patients with anti-NMDA receptor encephalitis in Chile. PATIENTS AND METHOD: A description is presented of 13 children, 9 males, aged between 1 and 16 years, diagnosed between 2009 and 2016 in 7 hospitals...
November 2016: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/27466467/anti-lgi1-associated-cognitive-impairment-presentation-and-long-term-outcome
#16
Helena Ariño, Thais Armangué, Mar Petit-Pedrol, Lidia Sabater, Eugenia Martinez-Hernandez, Makoto Hara, Eric Lancaster, Albert Saiz, Josep Dalmau, Francesc Graus
OBJECTIVE: We investigated a series of patients with LGI1 antibody (Ab)-related cognitive deterioration to determine the clinical presentation, long-term outcome, and LGI1 Ab evolution. METHODS: We retrospectively analyzed the clinical information of 76 patients with LGI1 Ab-related cognitive deterioration. Presenting syndromes were classified as limbic encephalitis (LE), non-LE, or encephalopathy (normal MRI and no CSF pleocytosis). Frequency of relapses and clinical outcome were assessed in 48 patients with prolonged follow-up (median 39 months, range 18-200)...
August 23, 2016: Neurology
https://www.readbyqxmd.com/read/27399303/ephrin-b2-prevents-n-methyl-d-aspartate-receptor-antibody-effects-on-memory-and-neuroplasticity
#17
Jesús Planagumà, Holger Haselmann, Francesco Mannara, Mar Petit-Pedrol, Benedikt Grünewald, Esther Aguilar, Luise Röpke, Elena Martín-García, Maarten J Titulaer, Pablo Jercog, Francesc Graus, Rafael Maldonado, Christian Geis, Josep Dalmau
OBJECTIVE: To demonstrate that ephrin-B2 (the ligand of EphB2 receptor) antagonizes the pathogenic effects of patients' N-methyl-D-aspartate receptor (NMDAR) antibodies on memory and synaptic plasticity. METHODS: One hundred twenty-two C57BL/6J mice infused with cerebrospinal fluid (CSF) from patients with anti-NMDAR encephalitis or controls, with or without ephrin-B2, were investigated. CSF was infused through ventricular catheters connected to subcutaneous osmotic pumps over 14 days...
September 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27397082/immunoproteomic-studies-on-paediatric-opsoclonus-myoclonus-associated-with-neuroblastoma
#18
Estefanía Torres-Vega, María Durán-Moreno, Manuel Sánchez Del Pino, Yania Yáñez, Adela Cañete, Victoria Castel, Rogelio López-Cuevas, Juan Jesús Vílchez, Josep Dalmau, Francesc Graus, José Manuel García Verdugo, Luis Bataller
We aimed to identify new cell-membrane antigens implicated in opsoclonus-myoclonus with neuroblastoma. The sera of 3 out of 14 patients showed IgG electron-microscopy immunogold reactivity on SH-SY5Y neuroblastoma cells. Immunoprecipitation experiments using rat brain synaptosomes and SH-SY5Y cells led to the identification of: (1) thirty-one nuclear/cytoplasmic proteins (including antigens HuB, HuC); (2) seven neuronal membrane proteins, including the Shaw-potassium channel Kv3.3 (KCNC3), whose genetic disruption in mice causes ataxia and generalized muscle twitching...
August 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27371488/the-clinical-spectrum-of-caspr2-antibody-associated-disease
#19
Agnes van Sonderen, Helena Ariño, Mar Petit-Pedrol, Frank Leypoldt, Peter Körtvélyessy, Klaus-Peter Wandinger, Eric Lancaster, Paul W Wirtz, Marco W J Schreurs, Peter A E Sillevis Smitt, Francesc Graus, Josep Dalmau, Maarten J Titulaer
OBJECTIVE: To report a large cohort of patients with antibodies against contactin-associated protein-like 2 (Caspr2) and provide the clinical spectrum of this disorder. METHODS: Serum and CSF samples were assessed at 2 neuroimmunology centers in Barcelona and Rotterdam. Patients were included if Caspr2 antibodies were confirmed with 2 independent techniques, including brain immunohistochemistry and cell-based assay. Clinical information was obtained by the authors or provided by treating physicians after patients' informed consent...
August 2, 2016: Neurology
https://www.readbyqxmd.com/read/27358064/neuropathological-criteria-of-anti-iglon5-related-tauopathy
#20
Ellen Gelpi, Romana Höftberger, Francesc Graus, Helen Ling, Janice L Holton, Timothy Dawson, Mara Popovic, Janja Pretnar-Oblak, Birgit Högl, Erich Schmutzhard, Werner Poewe, Gerda Ricken, Joan Santamaria, Josep Dalmau, Herbert Budka, Tamas Revesz, Gabor G Kovacs
We recently reported a novel neurological syndrome characterized by a unique NREM and REM parasomnia with sleep apnea and stridor, accompanied by bulbar dysfunction and specific association with antibodies against the neuronal cell-adhesion protein IgLON5. All patients had the HLA-DRB1*1001 and HLA-DQB1*0501 alleles. Neuropathological findings in two patients revealed a novel tauopathy restricted to neurons and predominantly involving the hypothalamus and tegmentum of the brainstem. The aim of the current study is to describe the neuropathological features of the anti-IgLON5 syndrome and to provide diagnostic levels of certainty based on the presence of associated clinical and immunological data...
October 2016: Acta Neuropathologica
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